Stephen Lam/Reuters
- Apple stock has lost about $191 billion in market capitalization over the last two days.
- China has banned government workers from using iPhones, while EU regulators have also cracked down.
- Apple stock declined as much as 5.1% on Thursday before paring some of its losses.
Apple stock has shed roughly $191 billion from its market capitalization over the last two days amid moves from regulators in China and Europe.